13223232112 has 20 divisors (see below), whose sum is σ = 25623487720. Its totient is φ = 6610719168.

The previous prime is 13223232107. The next prime is 13223232133. The reversal of 13223232112 is 21123232231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74839 + ... + 179017.

It is an arithmetic number, because the mean of its divisors is an integer number (1281174386).

Almost surely, 2^13223232112 is an apocalyptic number.

It is an amenable number.

13223232112 is a deficient number, since it is larger than the sum of its proper divisors (12400255608).

13223232112 is a wasteful number, since it uses less digits than its factorization.

13223232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112120 (or 112114 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 13223232112 its reverse (21123232231), we get a palindrome (34346464343).

The spelling of 13223232112 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-two thousand, one hundred twelve".